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Brrunno [24]
3 years ago
9

need help please. Problem: Construct a triangle with interior angle measures of 45° and 45°. The third angle of the triangle is

Mathematics
2 answers:
REY [17]3 years ago
4 0

The angles of a triangle add to 180 degrees so the remaining angle must be 90°.

This triangle is half a square. It's one of the two tired triangles of trig, the other being half an equilateral triangle, 30°/60°/90°.

Radda [10]3 years ago
3 0

Answer:

90

Step-by-step explanation:

1 triangle=180 45+45-90

      90+90=180

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igor_vitrenko [27]

Answer:

y = \frac{1}{3}x - 9

Step-by-step explanation:

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Given line y = - 3x + 78, slope, m₁ = -3

<em><u>To find the line perpendicular to the given line.</u></em>

The lines are perpendicular to each other if the product of their slopes = - 1

That is,

         m_1 \times m_2 = -1

So the slope of new line is

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Therefore , equation \ of \ new \ line \ \\\\(y - y_1) = m_2(x - x_1) , where \ (x_1 , y_1) = (9, -6 )\\\\(y - (-6))= \frac{1}{3}(x -9)\\\\y + 6 = \frac{1}{3} x - 3\\\\y = \frac{1}{3}x -3-6\\\\y = \frac{1}{3}x -9\\\\

7 0
3 years ago
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mixas84 [53]
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3 years ago
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Am I doing this right!
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3 years ago
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koban [17]

Answer: A. 3072 cm³

Step-by-step explanation:

The formula for determining the volume of a rectangular prism is expressed as

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Looking at the diagram,

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6 0
2 years ago
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